<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<script type="text/javascript" src="jquery-1.9.1.min.js"></script>
<script type="text/javascript" src="linkage.js"></script>
<script language="javascript">  
$(function(){  
    $(document).area("s_province","s_city","s_county");//调用插件  
});  
</script> 
</head>
<body>
<select id="s_province" name="s_province"></select>    
<select id="s_city" name="s_city" ></select>    
<select id="s_county" name="s_county"></select>  
</body>
</html>
